pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.9	OCHEM	1	0	Nc1nc[nH+]cn1,Nc1ncnc[nH+]1,[NH3+]c1ncncn1	Nc1ncncn1	mol7607	Nc1ncncn1